./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bbef461d577533a33a47975bed502a034d4de7bb4c9545318a29cb7eaac175ad --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:41:06,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:41:06,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:41:06,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:41:06,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:41:06,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:41:06,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:41:06,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:41:06,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:41:06,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:41:06,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:41:06,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:41:06,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:41:06,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:41:06,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:41:06,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:41:06,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:41:06,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:41:06,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:41:06,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:41:06,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:41:06,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:41:06,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:41:06,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:41:06,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:41:06,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:41:06,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:41:06,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:41:06,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:41:06,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:41:06,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:41:06,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:41:06,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:41:06,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:41:06,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:41:06,189 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:41:06,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:41:06,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:41:06,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:41:06,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:41:06,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:41:06,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:41:06,232 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:41:06,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:41:06,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:41:06,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:41:06,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:41:06,237 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:41:06,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:41:06,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:41:06,238 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:41:06,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:41:06,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:41:06,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:41:06,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:41:06,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:41:06,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:41:06,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:41:06,241 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:41:06,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:41:06,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:41:06,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:41:06,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:41:06,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:41:06,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:41:06,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:41:06,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:41:06,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:41:06,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:41:06,244 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:41:06,244 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:41:06,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:41:06,244 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbef461d577533a33a47975bed502a034d4de7bb4c9545318a29cb7eaac175ad [2022-10-17 10:41:06,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:41:06,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:41:06,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:41:06,551 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:41:06,552 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:41:06,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2022-10-17 10:41:06,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ/data/0ab7af553/2523d054462f4f4590e4b5876971f4cc/FLAG301b18b09 [2022-10-17 10:41:07,461 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:41:07,461 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2022-10-17 10:41:07,511 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ/data/0ab7af553/2523d054462f4f4590e4b5876971f4cc/FLAG301b18b09 [2022-10-17 10:41:07,632 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ/data/0ab7af553/2523d054462f4f4590e4b5876971f4cc [2022-10-17 10:41:07,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:41:07,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:41:07,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:41:07,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:41:07,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:41:07,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:41:07" (1/1) ... [2022-10-17 10:41:07,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f63247b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:07, skipping insertion in model container [2022-10-17 10:41:07,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:41:07" (1/1) ... [2022-10-17 10:41:07,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:41:07,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:41:10,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[283009,283022] [2022-10-17 10:41:10,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:41:10,375 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:41:10,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i[283009,283022] [2022-10-17 10:41:11,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:41:11,124 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:41:11,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:11 WrapperNode [2022-10-17 10:41:11,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:41:11,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:41:11,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:41:11,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:41:11,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:11" (1/1) ... [2022-10-17 10:41:11,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:11" (1/1) ... [2022-10-17 10:41:11,680 INFO L138 Inliner]: procedures = 307, calls = 3021, calls flagged for inlining = 108, calls inlined = 104, statements flattened = 7673 [2022-10-17 10:41:11,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:41:11,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:41:11,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:41:11,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:41:11,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:11" (1/1) ... [2022-10-17 10:41:11,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:11" (1/1) ... [2022-10-17 10:41:11,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:11" (1/1) ... [2022-10-17 10:41:11,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:11" (1/1) ... [2022-10-17 10:41:12,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:11" (1/1) ... [2022-10-17 10:41:12,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:11" (1/1) ... [2022-10-17 10:41:12,305 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:11" (1/1) ... [2022-10-17 10:41:12,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:11" (1/1) ... [2022-10-17 10:41:12,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:41:12,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:41:12,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:41:12,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:41:12,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:11" (1/1) ... [2022-10-17 10:41:12,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:41:12,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:41:12,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:41:12,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ea287b-38d9-4b8f-89e8-bf6d7379f31e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:41:12,523 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_reset [2022-10-17 10:41:12,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_reset [2022-10-17 10:41:12,524 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2022-10-17 10:41:12,524 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2022-10-17 10:41:12,524 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2022-10-17 10:41:12,524 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2022-10-17 10:41:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-17 10:41:12,525 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-17 10:41:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-17 10:41:12,525 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-17 10:41:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:41:12,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:41:12,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:41:12,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:41:12,526 INFO L130 BoogieDeclarations]: Found specification of procedure scan_periodic [2022-10-17 10:41:12,526 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_periodic [2022-10-17 10:41:12,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:41:12,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:41:12,527 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-10-17 10:41:12,527 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-10-17 10:41:12,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:41:12,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:41:12,528 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_create [2022-10-17 10:41:12,528 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_create [2022-10-17 10:41:12,528 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_readl [2022-10-17 10:41:12,528 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_readl [2022-10-17 10:41:12,528 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_run [2022-10-17 10:41:12,528 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_run [2022-10-17 10:41:12,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:41:12,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:41:12,529 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2022-10-17 10:41:12,529 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2022-10-17 10:41:12,529 INFO L130 BoogieDeclarations]: Found specification of procedure qh_put [2022-10-17 10:41:12,530 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_put [2022-10-17 10:41:12,530 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_irq [2022-10-17 10:41:12,530 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_irq [2022-10-17 10:41:12,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:41:12,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:41:12,530 INFO L130 BoogieDeclarations]: Found specification of procedure scan_async [2022-10-17 10:41:12,531 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_async [2022-10-17 10:41:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-10-17 10:41:12,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-10-17 10:41:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:41:12,531 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:41:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_halt [2022-10-17 10:41:12,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_halt [2022-10-17 10:41:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_endpoint_disable [2022-10-17 10:41:12,532 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_endpoint_disable [2022-10-17 10:41:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2022-10-17 10:41:12,533 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2022-10-17 10:41:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 10:41:12,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 10:41:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 10:41:12,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 10:41:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-10-17 10:41:12,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-10-17 10:41:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qtd_free [2022-10-17 10:41:12,534 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qtd_free [2022-10-17 10:41:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:41:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 10:41:12,535 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 10:41:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2022-10-17 10:41:12,535 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2022-10-17 10:41:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:41:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2022-10-17 10:41:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2022-10-17 10:41:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-17 10:41:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:41:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:41:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_writel [2022-10-17 10:41:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_writel [2022-10-17 10:41:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 10:41:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 10:41:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_shutdown [2022-10-17 10:41:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_shutdown [2022-10-17 10:41:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-10-17 10:41:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-10-17 10:41:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_alloc [2022-10-17 10:41:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_alloc [2022-10-17 10:41:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:41:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:41:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2022-10-17 10:41:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2022-10-17 10:41:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_enqueue [2022-10-17 10:41:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_enqueue [2022-10-17 10:41:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2022-10-17 10:41:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2022-10-17 10:41:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2022-10-17 10:41:12,540 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2022-10-17 10:41:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure intr_deschedule [2022-10-17 10:41:12,540 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_deschedule [2022-10-17 10:41:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_buf_alloc [2022-10-17 10:41:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_buf_alloc [2022-10-17 10:41:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 10:41:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 10:41:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 10:41:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 10:41:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_control [2022-10-17 10:41:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_control [2022-10-17 10:41:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-10-17 10:41:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2022-10-17 10:41:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2022-10-17 10:41:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 10:41:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 10:41:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-10-17 10:41:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-10-17 10:41:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-10-17 10:41:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-10-17 10:41:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:41:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_probe [2022-10-17 10:41:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_probe [2022-10-17 10:41:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-17 10:41:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-17 10:41:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action [2022-10-17 10:41:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action [2022-10-17 10:41:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 10:41:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 10:41:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:41:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_get_frame [2022-10-17 10:41:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_get_frame [2022-10-17 10:41:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_stop [2022-10-17 10:41:12,546 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_stop [2022-10-17 10:41:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-10-17 10:41:12,546 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-10-17 10:41:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:41:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-10-17 10:41:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-10-17 10:41:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:41:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:41:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2022-10-17 10:41:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2022-10-17 10:41:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2022-10-17 10:41:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2022-10-17 10:41:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure __oxu_urb_enqueue [2022-10-17 10:41:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __oxu_urb_enqueue [2022-10-17 10:41:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_drv_remove [2022-10-17 10:41:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_drv_remove [2022-10-17 10:41:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-10-17 10:41:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-10-17 10:41:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:41:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:41:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-10-17 10:41:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-10-17 10:41:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:41:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-17 10:41:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-17 10:41:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-10-17 10:41:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-10-17 10:41:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:41:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:41:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_work [2022-10-17 10:41:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_work [2022-10-17 10:41:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure qh_unlink_periodic [2022-10-17 10:41:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_unlink_periodic [2022-10-17 10:41:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:41:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:41:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-10-17 10:41:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-10-17 10:41:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:41:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-10-17 10:41:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-10-17 10:41:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_async [2022-10-17 10:41:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_async [2022-10-17 10:41:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_mem_cleanup [2022-10-17 10:41:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_mem_cleanup [2022-10-17 10:41:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_to_hcd [2022-10-17 10:41:12,554 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_to_hcd [2022-10-17 10:41:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-10-17 10:41:12,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-10-17 10:41:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-10-17 10:41:12,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-10-17 10:41:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:41:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_qh_alloc [2022-10-17 10:41:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_qh_alloc [2022-10-17 10:41:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_suspend [2022-10-17 10:41:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_suspend [2022-10-17 10:41:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2022-10-17 10:41:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2022-10-17 10:41:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-10-17 10:41:12,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-10-17 10:41:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-10-17 10:41:12,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-10-17 10:41:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2022-10-17 10:41:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2022-10-17 10:41:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:41:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_hub_status_data [2022-10-17 10:41:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_hub_status_data [2022-10-17 10:41:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_shutdown [2022-10-17 10:41:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_shutdown [2022-10-17 10:41:12,558 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2022-10-17 10:41:12,558 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2022-10-17 10:41:12,558 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:41:12,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-17 10:41:12,558 INFO L130 BoogieDeclarations]: Found specification of procedure qh_get [2022-10-17 10:41:12,558 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_get [2022-10-17 10:41:12,559 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-10-17 10:41:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-10-17 10:41:12,559 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_quiesce [2022-10-17 10:41:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_quiesce [2022-10-17 10:41:12,559 INFO L130 BoogieDeclarations]: Found specification of procedure timer_action_done [2022-10-17 10:41:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_action_done [2022-10-17 10:41:12,560 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-10-17 10:41:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-10-17 10:41:12,560 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 10:41:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 10:41:12,560 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-10-17 10:41:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-10-17 10:41:12,561 INFO L130 BoogieDeclarations]: Found specification of procedure usb_remove_hcd [2022-10-17 10:41:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_remove_hcd [2022-10-17 10:41:12,561 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_murb_free [2022-10-17 10:41:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_murb_free [2022-10-17 10:41:12,561 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_urb_done [2022-10-17 10:41:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_urb_done [2022-10-17 10:41:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-10-17 10:41:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-10-17 10:41:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2022-10-17 10:41:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2022-10-17 10:41:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-10-17 10:41:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-10-17 10:41:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2022-10-17 10:41:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2022-10-17 10:41:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-17 10:41:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-17 10:41:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2022-10-17 10:41:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2022-10-17 10:41:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-10-17 10:41:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-10-17 10:41:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_bus_resume [2022-10-17 10:41:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_bus_resume [2022-10-17 10:41:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_urb_dequeue [2022-10-17 10:41:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_urb_dequeue [2022-10-17 10:41:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 10:41:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 10:41:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-10-17 10:41:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-10-17 10:41:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-10-17 10:41:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-10-17 10:41:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-10-17 10:41:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-10-17 10:41:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2022-10-17 10:41:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2022-10-17 10:41:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_remove [2022-10-17 10:41:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_remove [2022-10-17 10:41:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:41:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure ehci_qtd_alloc [2022-10-17 10:41:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ehci_qtd_alloc [2022-10-17 10:41:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_oxu [2022-10-17 10:41:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_oxu [2022-10-17 10:41:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure oxu_reset [2022-10-17 10:41:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure oxu_reset [2022-10-17 10:41:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:41:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:41:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:41:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:41:13,767 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:41:13,772 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:41:14,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:41:26,270 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:41:26,317 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:41:26,317 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:41:26,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:41:26 BoogieIcfgContainer [2022-10-17 10:41:26,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:41:26,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:41:26,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:41:26,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:41:26,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:41:07" (1/3) ... [2022-10-17 10:41:26,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e14cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:41:26, skipping insertion in model container [2022-10-17 10:41:26,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:41:11" (2/3) ... [2022-10-17 10:41:26,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e14cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:41:26, skipping insertion in model container [2022-10-17 10:41:26,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:41:26" (3/3) ... [2022-10-17 10:41:26,336 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--oxu210hp-hcd.ko-entry_point.cil.out.i [2022-10-17 10:41:26,360 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:41:26,360 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:41:26,520 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:41:26,528 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@47ab4ae3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:41:26,528 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:41:26,546 INFO L276 IsEmpty]: Start isEmpty. Operand has 3134 states, 2298 states have (on average 1.4738903394255876) internal successors, (3387), 2371 states have internal predecessors, (3387), 717 states have call successors, (717), 118 states have call predecessors, (717), 117 states have return successors, (711), 695 states have call predecessors, (711), 711 states have call successors, (711) [2022-10-17 10:41:26,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-10-17 10:41:26,590 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:41:26,592 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:41:26,592 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:41:26,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:41:26,599 INFO L85 PathProgramCache]: Analyzing trace with hash 873619383, now seen corresponding path program 1 times [2022-10-17 10:41:26,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:41:26,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655021252] [2022-10-17 10:41:26,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:41:26,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:41:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:27,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:41:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:41:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:27,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:41:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:27,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:41:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:41:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:27,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:27,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:41:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-17 10:41:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:41:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-17 10:41:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:41:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-17 10:41:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:41:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-10-17 10:41:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-10-17 10:41:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-10-17 10:41:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-17 10:41:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-17 10:41:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-17 10:41:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-10-17 10:41:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-17 10:41:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-10-17 10:41:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-10-17 10:41:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-10-17 10:41:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-10-17 10:41:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:41:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:41:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2022-10-17 10:41:28,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:41:28,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655021252] [2022-10-17 10:41:28,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655021252] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:41:28,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:41:28,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:41:28,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371629432] [2022-10-17 10:41:28,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:41:28,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:41:28,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:41:28,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:41:28,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:41:28,827 INFO L87 Difference]: Start difference. First operand has 3134 states, 2298 states have (on average 1.4738903394255876) internal successors, (3387), 2371 states have internal predecessors, (3387), 717 states have call successors, (717), 118 states have call predecessors, (717), 117 states have return successors, (711), 695 states have call predecessors, (711), 711 states have call successors, (711) Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)